38860649 has 4 divisors (see below), whose sum is σ = 39035136. Its totient is φ = 38686164.

The previous prime is 38860631. The next prime is 38860663. The reversal of 38860649 is 94606883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38860649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38860699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86909 + ... + 87354.

It is an arithmetic number, because the mean of its divisors is an integer number (9758784).

Almost surely, 2^38860649 is an apocalyptic number.

It is an amenable number.

38860649 is a deficient number, since it is larger than the sum of its proper divisors (174487).

38860649 is a wasteful number, since it uses less digits than its factorization.

38860649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174486.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 38860649 is about 6233.8310050883. The cubic root of 38860649 is about 338.7167574029.

The spelling of 38860649 in words is "thirty-eight million, eight hundred sixty thousand, six hundred forty-nine".